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Finding the Fourth Proportional to 918,480, 1,267,060.74 and 596,291.16

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Solution

The fourth proportional to 918,480, 1,267,060.74 and 596,291.16 is: 822,595.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,480 : 1,267,060.74 = 596,291.16 : x
  2. Step 2: Convert to fraction form
    918,480/1,267,060.74 = 596,291.16/x
  3. Step 3: Cross multiply
    918,480x = 1,267,060.74 × 596,291.16
  4. Step 4: Simplify right side
    918,480x = 755,537,118,445.06
  5. Step 5: Solve for x
    x = 755,537,118,445.06/918,480
  6. Step 6: Final answer
    x = 822,595.07

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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.