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Finding the Fourth Proportional to 706,903.55, 975,547.80 and 384,634.52

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Solution

The fourth proportional to 706,903.55, 975,547.80 and 384,634.52 is: 530,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,903.55 : 975,547.80 = 384,634.52 : x
  2. Step 2: Convert to fraction form
    706,903.55/975,547.80 = 384,634.52/x
  3. Step 3: Cross multiply
    706,903.55x = 975,547.80 × 384,634.52
  4. Step 4: Simplify right side
    706,903.55x = 375,229,364,058.08
  5. Step 5: Solve for x
    x = 375,229,364,058.08/706,903.55
  6. Step 6: Final answer
    x = 530,807.01

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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.