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Finding the Fourth Proportional to 423,547.93, 584,509.85 and 242,260.21

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Solution

The fourth proportional to 423,547.93, 584,509.85 and 242,260.21 is: 334,326.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,547.93 : 584,509.85 = 242,260.21 : x
  2. Step 2: Convert to fraction form
    423,547.93/584,509.85 = 242,260.21/x
  3. Step 3: Cross multiply
    423,547.93x = 584,509.85 × 242,260.21
  4. Step 4: Simplify right side
    423,547.93x = 141,603,479,008.07
  5. Step 5: Solve for x
    x = 141,603,479,008.07/423,547.93
  6. Step 6: Final answer
    x = 334,326.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.